Browse Prior Art Database

Method to Implement a Cost-Effective Method to Add Two Axis Scrolling Capability to a Mouse

IP.com Disclosure Number: IPCOM000122946D
Original Publication Date: 1998-Jan-01
Included in the Prior Art Database: 2005-Apr-04
Document File: 4 page(s) / 68K

Publishing Venue

IBM

Related People

Aves, D: AUTHOR [+7]

Abstract

Disclosed is a method to implement a cost effective method to add two axis scrolling functions to a mouse. In previous design concepts, an Strain Gauge (SG) was used which would increase the cost of the mouse making it unattractive to the consumer marketplace.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 91% of the total text.

Method to Implement a Cost-Effective Method to Add Two Axis Scrolling
Capability to a Mouse

      Disclosed is a method to implement a cost effective method to
add two axis scrolling functions to a mouse.  In previous design
concepts, an Strain Gauge (SG) was used which would increase the cost
of the mouse making it unattractive to the consumer marketplace.

      By using a Force Sensing Resistor (FSR) to implement scrolling
function on a standard two button wired mouse it will provide a more
cost effective method to implement this function.  The FSR can
provide similar two axis scrolling performance function as the SG.
Since scrolling does not require precise location of target
information on the  screen the FSR is well suited for this task.  In
addition the current invention will emulate the Microsoft
Intellimouse* functions (vertical  scroll, Zoom, Data Zoom,
Autoscroll) and will function as a programmable  third button.

      The FSR would be mounted between the two buttons on a standard
mouse.  Its signals would be encoded into data packets and then
multiplexed with the standard mouse and button data packets.  A
custom software driver would be used to de-multiplex the data packets
and generate the appropriate cursor, scroll or zooming messages which
would be passed to the application of focus (Figs. 1-6).  The
software/firmware would be designed to translate increasing force
with faster scrolling.

      Since this invention supports two axis...